Portable electric heater



FIG. 1 shows a front perspective view of a portable electric heater incorporating our design;

FIG. 2 shows a front elevational view of the portable electric heater shown in FIG. 1 , on a reduced scale.

FIG. 3 shows a left side elevational view of the portable electric heater shown in FIG. 1 , on a reduced scale;

FIG. 4 shows a top plan view of the portable electric heater shown in FIG. 1 , on a reduced scale; and,

FIG. 5 shows a bottom plan view of the portable electric heater shown in FIG. 1 , on a reduced scale. 

The ornamental design for a portable electric heater, as shown. 